kastrupskole.dk is a .dk domain served by 2 nameservers (ns.vordbkom.dk, ns.vordbskoler.dk). It was registered on 16 February 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.56.147.142 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.kastrupskole.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.vordbkom.dk | 131.165.202.1 | ns.vordbkom.dk | AS6834 KMD A/S |
| ns.vordbskoler.dk | 5.56.147.154 | 154.128-27.147.56.5.in-addr.arpa | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.56.147.142 | — | — | AS31027 | GlobalConnect A/S | 5.56.144.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | — | mail.kastrupskole.dk | 131.165.202.5 | — | AS6834 KMD A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (kastrupskole.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.kastrupskole.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:60f69872d8c04@dmarc.centerasecurity.com; |
| www | 80.210.81.37 (address records, no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2013020721 |
| Primary NS (MNAME) | ns.vordbkom.dk |
| Responsible (RNAME) | hostmaster |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-02-16 |
| Expires | 2027-02-28 (128d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 13:42:08 | 561ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 13:38:31 | 810ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 11:43:42 | 2146ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 04:46:48 | 1542ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 04:01:30 | 2949ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 22:59:59 | 2445ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 22:34:11 | 539ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 22:31:07 | 825ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 21:28:22 | 1798ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 20:49:08 | 2404ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 11:17:26 | 1835ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 12:57:42 | 3671ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 03:56:13 | 987ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 07:04:58 | 932ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 18:54:11 | 11884ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 13:52:58 | 1016ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 08:08:49 | 1402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 07:05:11 | 886ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 06:50:50 | 5128ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 23:33:57 | 9171ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 14:16:13 | 747ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 07:05:48 | 4582ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 04:57:59 | 906ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 20:08:52 | 874ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 16:49:10 | 1170ms | 2 NS 1 A 1 MX | 🔒 Secure |